解题方法
1 . 已知函数
.
(1)若
,求不等式
的解集;
(2)若关于
的不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a367909f2f4c8f31102b6845c9553c3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbc901cbdb68130ddac3174583dd93c.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d96f30e9371643a1d1fa6477b9a9bcdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f88173ef0c29bedd0155b7893d2474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-06-10更新
|
150次组卷
|
3卷引用:陕西省洛南中学2024届高三第十次模拟考试理科数学试题
解题方法
2 . 已知
的内角
的对边分别为
,且
.
(1)求
;
(2)若
,
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80835fa2ab9089ff89dedda251645c5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d803e27871810c6b8a7d6169144dd61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-23更新
|
593次组卷
|
2卷引用:陕西省洛南中学2024届高三第十次模拟考试理科数学试题
解题方法
3 . 在区间
上随机取两个实数
,则事件
的概率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36ad6fc7a20ba700ac0dc1d67e261d0b.png)
您最近一年使用:0次
4 . 曲线
的一条切线方程为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1d897bf1170f96cac0c36823a512a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
5 . 已知函数
与函数
的图象的对称轴相同,给出下列结论:
①
的值可以为4;
②
的值可以为
;
③函数
的单调递增区间为
;
④函数
的所有零点的集合为
.其中正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b8e435220a8b69fe5b5598d4f439c69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7981b32f1d9256b0d3b1f9c5cb89c99.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0211da37e92f915e781691296578ba0.png)
③函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b93de6196a865b35e540f107db1e01d2.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f4f0c350e42a54c2ad62e67ea6c7d20.png)
A.①② | B.②③ | C.③④ | D.①④ |
您最近一年使用:0次
2024-04-21更新
|
276次组卷
|
2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
解题方法
6 . 在
中,角
所对的边分别为
,且满足
.
(1)求角
的大小;
(2)若
,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b15f3e838a93de65a672a0a34ec9744e.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/256ee495d0feea5eb59e7345428ec276.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2024-04-13更新
|
535次组卷
|
2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
7 . 已知曲线
的参数方程为
(
为参数),直线
与曲线
相交于
两点,以极点
为原点,
轴的负半轴为极轴建立平面直角坐标系.
(1)求曲线
的极坐标方程;
(2)记线段
的中点为
,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56bbf6e55ea4c74abc45aa22f951c4bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a44fefabd49ba1eb844a911ea3742b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)记线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771a5ae529afbec52896cd7e6e583283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2024-04-13更新
|
256次组卷
|
2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
解题方法
8 . 已知非零向量
满足
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae951e0bb5a2a406f1572fc1e4964265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a748f8d6c08c335e02bfb581ad0a1b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d883e599a5f204dce97156a4495405.png)
A.45° | B.60° | C.120° | D.150° |
您最近一年使用:0次
9 . 已知
是双曲线
右支上的动点,
是双曲线
的左、右焦点,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90e6bb54af35fd692a472b23c9f4694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2932fe62520d7f720e6469f286add2c7.png)
A.12 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-13更新
|
301次组卷
|
2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题
10 . 已知函数
满足
,则满足
的最大正整数
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/196a11beb5f29f0ebfbca200fb7786ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3a42660a53f3c55f29f73b7494c810.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
2024-04-13更新
|
284次组卷
|
2卷引用:陕西省商洛市2024届高三第四次模拟检测数学(文科)试题